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Dynamite is highly explosive. This is because it's a chemical reaction waiting to happen. Chemical reactions happens all the time - even inside us! Reactants change to make new products. Explore physical and chemical properties of the substances that surround us in this explosive physical science book. From decomposition to acid-base reactions, fifth-grade readers will learn about six types of chemical reactions; activation energy and hopping electrons;...
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You can't make something out of nothing. This is because there are certain laws that everything in the universe follows. It may seem like magic, but it's really a matter of matter. Join physicists from past and present to uncover the magic of how matter changes yet remains the same in this physical science book. Fifth-grade readers will learn about physical and chemical changes; how mass, energy, and volume are related; discoveries that led to the...
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Light heats our skin, helps us see in the dark, and even helps cure cancer. Light is also used for many things that we may not know about. Learn how light is formed, how it helps us every day, and much more by diving into the pages of this engaging book. High-interest text and vibrant images and photographs fill the pages of this book to make learning about light and its effects fun and interesting. A "Think Like a Scientist" lab activity that supports...
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Sound waves are all around us creating a multitude of different frequencies. Some we can hear, and some we cannot hear. Discover the ways in which animals, insects, and birds communicate through sound as well as how sound is beneficial for other uses -- even if we can't hear it! High-interest, informational text paired with vibrant images and photos, intriguing facts, and a helpful glossary and index will keep readers engaged from cover to cover....
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"Dynamite is highly explosive. This is because it's a chemical reaction waiting to happen. Many things go through chemical reactions. When you cook or eat, a chemical reaction takes place. Understanding chemical reactions will not only keep you safe, it will also help reveal the world around you."--
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Electromagnetism-now that's a big word. But what is it? For starters, it's the force that runs the electronics in your home. Your TV, computer, and light bulbs use it. You can't see it, but it's hard at work. It may seem complex, but once you break it down, it's simple. This nonfiction Spanish book introduces students to electromagnetism and teaches them important scientific concepts and vocabulary terms like circuits, magnetism, currents, conductor,...
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Playing Tug-of-War, pedaling a bike, jumping rope - these actions all require force! We typically don't notice most of the forces around us, but they surround us all the time. Find out how force works, and then harness your knowledge to design and build like an engineer! Third-grade students will enjoy learning about inertia, tension and gravity, lift and air resistance, electric and magnetic forces, combined forces, and more through this high-interest...
10) Electromagnetism
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"Electromagnetism - now that's a big word! But what is it? For starters, it's the force that runs the electronics in your home. Your TV, computers, and even simple light bulbs use electromagnetism. You can't see it, but it's hard at work. It may seem complex, but once you break it down it's simple."--
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"Forces are part of our everyday lives. And knowing how they work makes us all more powerful! Balanced forces will keep you upright on your bike. Unbalanced forces will help you ride your bike as fast as the wind. Balanced and unbalanced forces play a part in all that we do."--
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